Improvement in changeable-gauge car-wheels



HAMILTON & MORSE. Adjustable Car Wheels. No. 108,475. Patented Oct. 18,1870.

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:1. Firms, PMOYLLLIIHOGRAPNER. WASNWGTON D C JoNAs HAMILTON AND enoeenr. MORSE, or PORTLAND, MAINE.

Letters Patent No. 108,475, dated October 18, 1870.

IMPROVEMENT IN C'HANGEABL'E-GAUGE CAR-WHEELS.

The Schedule referred to in these Letters Patent and making partof thesame.

To all whom it may concern:

Be it known that we, JONAS HAMILTON and GEORGE F. MORSE, of Portland, inthe county of Onrnberland'and State of Maine, have invented a new anduseful lmprovement in Gar-\Vheels for Changeable-gauge Trucks and we dohereby declare the following to be a full, clear, and exact descriptionthereof, 7

which will enable others to make and use our invention, reference beinghad to the accompanying drawing forming part .of this specification, inwhich is seen asection of the wheel, bushing, and axle.

The purpose of our invention is to provide an improvemcnt in car-wheelsfor changeable-gauge trucks; and

It consists of the bushing I), having two sets of apertures, incombination with the car-wheel, and the axle, having the hole to receivethe gib and key, and the gib and key g and 71.

Our bushings are secured to the axle, as shown in the drawing, by meansof a key-way, made entirely through the axle, and by means of a gib andkey, passing through both bushing and axle.

The bushing has two key-ways, to allow of the different posit-ions ofthe wheel in accommodating itself to the broad orl'mrrow gauge.

a shows the axle.

b, the bushing.-

c, the car-wheel.

(I, the key-way in the axle.

f indicates one of those in the bushing.

In the other are shown the gib g and key 71-.

Whatwe claim as our invention, and desire to secure by Letters Patent,is-

The bushing I), having the two, sets of apertures, in combination withthe car-wheel, and the axle, having aholeto receive the gib and key, andthe gib and key. 9 h, as herein described.

JONAS HAMILTON. GEO. F. MORSE.

Witnesses:

WILLIAM H. CLIFFORD, GEORGE E. BIRD. J

